49820418 has 24 divisors (see below), whose sum is σ = 109248048. Its totient is φ = 16406232.

The previous prime is 49820417. The next prime is 49820429. The reversal of 49820418 is 81402894.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

49820418 is a modest number, since divided by 20418 gives 498 as remainder.

It is not an unprimeable number, because it can be changed into a prime (49820417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15180 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (4552002).

Almost surely, 2^49820418 is an apocalyptic number.

49820418 is an abundant number, since it is smaller than the sum of its proper divisors (59427630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49820418 is a wasteful number, since it uses less digits than its factorization.

49820418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33438 (or 33435 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 49820418 is about 7058.3580243567. The cubic root of 49820418 is about 367.9615636053.

The spelling of 49820418 in words is "forty-nine million, eight hundred twenty thousand, four hundred eighteen".